Home / 9,278.40-13,919.14-4,598.64

Finding the Fourth Proportional to 9,278.40, 13,919.14 and 4,598.64

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Solution

The fourth proportional to 9,278.40, 13,919.14 and 4,598.64 is: 6,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.40 : 13,919.14 = 4,598.64 : x
  2. Step 2: Convert to fraction form
    9,278.40/13,919.14 = 4,598.64/x
  3. Step 3: Cross multiply
    9,278.40x = 13,919.14 × 4,598.64
  4. Step 4: Simplify right side
    9,278.40x = 64,009,113.97
  5. Step 5: Solve for x
    x = 64,009,113.97/9,278.40
  6. Step 6: Final answer
    x = 6,898.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.